488181 has 4 divisors (see below), whose sum is σ = 650912. Its totient is φ = 325452.

The previous prime is 488171. The next prime is 488197. The reversal of 488181 is 181884.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 488181 - 2⁵ = 488149 is a prime.

It is a super-2 number, since 2×488181² = 476641377522, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (488161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81361 + ... + 81366.

It is an arithmetic number, because the mean of its divisors is an integer number (162728).

2⁴⁸⁸¹⁸¹ is an apocalyptic number.

It is an amenable number.

488181 is a deficient number, since it is larger than the sum of its proper divisors (162731).

488181 is a wasteful number, since it uses less digits than its factorization.

488181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162730.

The product of its digits is 2048, while the sum is 30.

The square root of 488181 is about 698.6995062257. The cubic root of 488181 is about 78.7396761473.

The spelling of 488181 in words is "four hundred eighty-eight thousand, one hundred eighty-one".